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Finding the Fourth Proportional to 621,760.64, 932,457.92 and 242,596.48

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Solution

The fourth proportional to 621,760.64, 932,457.92 and 242,596.48 is: 363,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,760.64 : 932,457.92 = 242,596.48 : x
  2. Step 2: Convert to fraction form
    621,760.64/932,457.92 = 242,596.48/x
  3. Step 3: Cross multiply
    621,760.64x = 932,457.92 × 242,596.48
  4. Step 4: Simplify right side
    621,760.64x = 226,211,009,140.12
  5. Step 5: Solve for x
    x = 226,211,009,140.12/621,760.64
  6. Step 6: Final answer
    x = 363,823.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.